Submission #1105385

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1105385	2024-10-26 08:59:21	badman	Hotspot (NOI17_hotspot)	C++17	38 / 100	9 ms	760 KiB

hotspot

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#include <bits/stdc++.h>
//#define int long long
#define Owo "hotspot"
const int N = 5e3 + 5;
const int M = 1;
const int mod = 1e9 + 7;
const int S = 300;
const int base = 31;
using namespace std;
int n, m, k, u, v, d[N][2];
long long dem[N][2];
long double f[N];
vector <int> g[N];
priority_queue <pair <int, int>, vector <pair <int, int>>, greater <pair <int, int>>> pq;
void shortest_path (int ver, int id)
{
  d[ver][id] = 0;
  pq.push ({0, ver});
  while (pq.empty () == 0)
  {
    auto [val, u] = pq.top ();
    pq.pop ();
    if (val != d[u][id])
      continue;
    for (int v : g[u])
      if (d[v][id] > d[u][id] + 1)
      {
        d[v][id] = d[u][id] + 1;
        pq.push ({d[v][id], v});
 
 
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Compilation message (stderr)

hotspot.cpp: In function 'int32_t main()':
hotspot.cpp:41:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |   freopen(Owo ".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
hotspot.cpp:42:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |   freopen(Owo ".out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 5 / 5
• Subtask 3: 11 / 11
• Subtask 4: 18 / 18
• Subtask 5: 0 / 26
• Subtask 6: 0 / 36